Huso /(?)/

Hu·so

Huso

n.
  1. A large European sturgeon (Huso huso or Acipenser huso), inhabiting the region of the Black and Caspian Seas. It sometimes attains a length of more than twelve feet, and a weight of two thousand pounds. Called also hausen and beluga. It is the source of the finest and most esteemed caviar. (Zool.)